Communication switching system common control



21 Sheets-Sheet 1 K. E. PRESCHER ETAL ION SWITCHING SYSTEM COMMON CONTROL COMMUNICA'I March 16, 1965 Fled Oct. 19, 1962 INVENTQRS KENNETH E. PRESCHER RONALD E. SCHAUER VAN aosse K. E. PRESCHER ETAL 3173,994

March 16, 1965 COMMUNICATION SWITCHING SYSTEM COMMON CONTROL.

21 Sheets-Sheet 2 Filed OGE. 3.9, 1962 March 16, 1965 K. E. PRESCHER ETAL 373994 CQIWIUNICATION SWITCHING SYS'IEM COMMON CONTROL.

2,3, Sheets-Sheet 5 Filed 9013. 19, 1962 00m mo.5muww. m:0mo

K. E. PRESCHER ETAL 3,173,994

March ;16, 1965 COMMUNICATIGN SWITCHING SYSTEM COMMON CONTROL.

21 Sheets-Sheet 4 Fled Dot. 19, 1962 March 1965 K. E. PRESCHER ETAL 373994 COMMUNICATION SWITCHING SYSTEM COMMON CONTROL 21 Sheets-Sheet 5 Filed Oct. 19, 1962 K. E. PRESCHER ETAL 3 7 21 Sheets-Sheet 6 March 16, 1965 COMMUNICATION SWITCHING SYSTEM COMMON CONTROL.

Filed 0G. 19, 1962 March 16, 1965 K. E. PRESCHER ETAL 373994 COMMUNICATION swncnmc; SYSTEM common CONTROL Filed Oct. 19, 1962 21 Sheets-Sheet '7 TEST VISAL TRAFFIC DRUM DESK DSPLAYS MONITORS CONSOLE CONTROL CENTERN RECORDER a ANALYZER 790 LINE TRUNK MARKER RP DRUM ROUTNER ROUTINER RDUTINER ROUTINER ROUTINER FROM OTHER 4 m0 R E T F REGISTER 4 .-7|2

IDEN mmscewsn s PROCESS 718) cqumou.m ADDRESS REAOOUT COMPARATOR PROCESSOR 720 722 I'RANSCEIVER MEMORY READOUT PULSE GEN 781 724 l MEMORY TABULATOR TICKETER PRINTER RECORD 82 MAGNETIC DRUM FIG. 7

March X6, 1965 K. E. PRESCHER ETAL 373994 COMMUNICA'I'ION SWITCHING SYSTEM COMMON CNTROL 21 Sheets-Sheet 8 Filed 0Gt. 19, 1962 March 1965 K. E. PRESCHER ETAL 3173994 CDMMUNICATION SWITCHING SYSTEM COMMON CONTROL 21 Sheets-Sheet 9 Filed 0ct. 19, 1962 LOCL REGISTER JUNCTOR GQL CR-l ECR

F'IG.9

March 16, 1965 K. E. PRESCHER ETAL 3 7 COMMUNICATION SWITCHING SYSTEEM COMMON CONTROL 21 Sheets-Sheet 10 Filed 001 19, 1962 LOCL REGISTER JUNCTQR 60! IOH4 21 Sheets-Sheet 11 COMMUNICATION SWITCHING' SYSTEM COMMON CONTROL.

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March 16, 1965 Filed 0cc. 19 1962 R R E C W W W R M F RECEIVER L TR NCOMNG REGISTER JUNCTOR 624 March 16, 1965 K. E. PRESCHER ETAL 3 C'OMM'UNICATION SWITCHING SYSTEM COMMON CON'IRL Filed Oct. 19, 1962 21 Sheets-Sheet 12 RJ BUFFER 6OI R d BUFFER 624 MMP MDC

MAL

FIG. 12

March 16, 1965 K. E. PRESCHER ETAL 3173994 COMMUNICATION SWITCHING SYSTEM COMMON CONTROL Filed Oct 19, 1962 21 Sheets-Sheet 15 LOGIC LOGIC B02 LOGIC i303 LOGIC [304 LOGIC FF LOGIC SHIFT REGISTER LOG: FF

FF G sc BD BE BF BG BH BI LOGC DIPHASE |3IO RECEVER REGISTER RECEIVER 6 0 TIME DVIS!ON GENERATOR FIG. 13

March 16, 1965 K. E. PRESCHER ETAL 373994 camumcmmw swncmuc; SYSTEM commou 00N'1R0L.

Filed Oct. 19, 1962 21 Sheets-Sheet 15 CURRENT GEN. & AMR

CURRENT (EN 81 AMP.

DRIVERS S TROBE CKT.

I54IA 15465 WRITE TRANSFER F ROM CONTROL CENTER 81 SWITCHES REGISTER ROUTINER FIG. 15

March 16, 1965 K. E. PRESCHER ETAL 3173994 COMMUNICATION swncnm; SYSTEM cowuv1ou CONIRL Filed Oct. 19, 1962 21 Sheets-Sheet 16 READ SHIFT BUFFER 662 CONTROL L0Glc REV. CALL ISO! CAR RY CONTROL LOGIC LOGIC i602 l6!3 READ SHIFT 4 oecooen LOGIC |604 LOG!C 1605 LOGIC 1606 LOGIC 1607 LOGIC i608 LOGIC 1609 LOGIC l6ll LOGIC J CARRY BUFFER Gi3 DECODER MF DIGIT ENTRY L0GC 2 LOGIC 16, 1965 K. E. PRE-SCHER ETAL 3173994 CWUNCTN SWITCHING SYSTEM COMMON CONTROL Fle 1m 19, 1962 21 Sheets-Sheet 1r NS TRUCT|ONS CON I ROL ADDRESS FF LOGIC AD! LOGIC 1704 TRANSLATOR DIPHASE TICKETER SENDER RECEIVER INPUT OUTPUT LOGIC REGISTER TRANSCEWER FIG. 1?

March 16, 1965 K. E. PRESCHER ETAL 3173994 cowurucmxon swrrcumc ssrswsm commou CONTROL Fi1ed om. 19, 1962 2 Sheets-Sheet 18 1 LAA (Rc)" f FIG. 18

March 16, 1965 K. E. PRESCHER ETAL 3173994 COMMUNICA'IION SWITCHING SYSTEM COMMON CONTROL 21 Sheets-Sheet 19 Filed 001:. 19, 1962 REG. ssmoen MATRIX 24H x 10v FIG. 19

March 16, 1965 K. E. PRESCHER ETAL COMMUNICATION SWITCHING SYSTEM COMMON CONTROL F'iled 0cc. 19, 1962 21 Sheets-Sheet 20 SENDER XMTR AR 8 T! STORAGE 202) MF GENERATOR j SM,SR, se, HG, 00, PR

LOGIC 2009 LOGIC 2008 FF LOGIC MF LOGIC 20l| MFA 2010 MFD DP GENERATOR) FF LOGIC DP LOGIC 2013 DPA- 20|2 DPD su CONTROL l DECODE) LOGIC LOGIC 2004 2003 sx STATES 200 s0 AT G FF 6 IN R 55 LOGIC LOGIC 558 mm 2006 Ssls LOG!C 2005 SN ADDRESS 20! FF 8 LOGIC 5D4 2002 AR a. T] 5133 LOGIC 2007 P16. ZO 

1. IN COMMUNICATING SWITCHING SYSTEM HAVING SWITCHING STAGES FOR EXTENDING CONNECTIONS BETWEEN CALLING AND CALLED LINES, AND HAVING COMMON TRANSLATING MEANS; REGISTER APPARATUS COMPRISING TIME MULTIPLEX SHARED EQUIPMENT AND A MEMORY IN A RECIRCULATING ARRANGEMENT CONTROLLED BY PULSES IN CYCLICALLY RECURRING TIME SLOTS, TO FORM A PLURALITY OF REGISTERS, EACH HAVING AN INDIVIDUAL TIME SLOT; A REGISTER TRANSCEIVER COMPRISING A SHIFT REGISTER, A SENDER, AND A RECEIVER; A SIGNALLING PATH INTERCONNECTING THE REGISTER TRANSCEIVER AND THE TRANSLATING MEANS; MEANS FOR INITIATING A REQUEST FOR TRANSFER CONDITION BY A GIVEN REGISTER, AND MEANS EFFECTIVE DURING THE TIME SLOT OF SAID REGISTER RESPONSIVE TO SAID REQUEST CONDITION AND THE TRANSCEIVER BEING IDLE FOR LOADING BITS OF INFORMATION INTO THE SHIFT REGISTER IN PARALLEL, AND SUPPLYING A REQUEST-FOR-SERVICE INDICATION TO THE TRANSLATOR, MEANS RESPONSIVE TO AN ACKNOWLEDEMENT OF THE REQUEST BY THE TRANSLATING MEANS TO SET THE REGISTER TRANSCEIVER TO A START TRANSMISSION CONDITION IN WHICH THE SENDER IS ACTUATED AND SHIFT SIGNALS ARE SUPPLIED TO SHIFT THE INFORMATION OUT OF THE SHIFT REGISTER AS SERIAL BINARY DIGITS TO MODULATE THE SENDER TO CAUSE IT TO TRANSMIT THE INFORMATION IN SERIAL BINARY FORM OVER THE THE SIGNALING PATH TO THE TRANSLATING MEANS, MEANS RESPONSIVE TO COMPLETION OF TRANSMISSION OF INFORMATION FROM THE REGISTER TRANSCEIVER TO CHANGE IT TO A RECEIVE MODE IN WHICH THE RECEIVER IS ACTUATED AND SHIFT SIGNALS ARE SUPPLIED TO THE SHIFT REGISTER; THE TRANSLATING MEANS HAVING AN ARRANGEMENT TO RECEIVE THE SERIAL BINARY INFORMATION FROM THE SIGNALING PATH, AN ARRANGEMENT TO TRANSLATE THE INFORMATION, AND AN ARRANGEMENT TO SEND THE TRANSLATED INFORMATION IN SERIAL BINARY FORM OVER THE SIGNALING PATH TO THE REGISTER TRANSCEIVER; THE TRANSLATED INFORMATION RECEIVED AT THE REGISTER TRANSCEIVER BEING DEMODULATED BY THE ACTUATED RECEIVER AND SHIFTED INTO THE SHIFT REGISTER; AND MEANS EFFECTIVE DURING THE NEXT TIME SLOT OF SAID GIVEN REGISTER FOR TRANSFERRING THE INFORMATION IN PARALLEL FROM THE SHIFT REGISTER INTO THE MEMORY.
 11. IN A COMMUNICATION SWITCHING SYSTEM HAVING A FIRST AND A SECOND SUPERVISORY UNIT, SAID FIRST SUPERVISORY UNIT INCLUDING A REGISTER TRANSCEIVER, THE REGISTER TRANSCEIVER COMPRISING: SHIFT-REGISTER MEANS FOR STORING AND TRANSFERRING FIRST INFORMATION SIGNALS TO SAID SECOND SUPERVISORY UNIT; 0 CONTROL MEANS RESPONSIVE TO THE SHIFT-REGISTER MEANS HAVING STORED SAID FIRST INFORMATION SIGNALS TO TRANSFER A REQUEST SIGNAL TO SAID SECOND SUPERVISORY UNIT AND SUBSEQUENTLY RESPONSIVE TO A GO-SIGNAL RECEIVED FROM SAID SECOND SUPERVISORY UNIT TO CAUSE THE SHIFTREGISTER MEANS TO TRANSFER SAID STORED INFORMATION SIGNALS TO SAID SECOND SUPERVISORY UNIT; AND SAID SHIFT-REGISTER HAVING MEANS FOR SUBSEQUENTLY RECEIVING AND STORING SECOND INFORMATION SIGNALS RECEIVED FROM SAID SECOND SUPERVISORY UNIT FOR SUBSEQUENT USE BY SAID FIRST SUPERVISORY UNIT. 